Advantages The fastest multi-hammer in the 4kg class ? Wide range of applications in chiselling and drilling work and when working with a core cutter ? Drills up to 30% faster (25 mm diameter) than other tools in its class ? Low vibration levels of only 12 m/s? for less tiring work due to Bosch Vibration Control Rated input power* 900 W Impact energy* 4.2 J Impact rate at rated speed 0 ? 3,600 bpm Rated speed 0 ? 800 rpm Weight 4.7 kg Tool holder SDS plus Drilling range Drilling dia. concrete, hammer drill bits* 6 ? 32 mm Opt. appl. range concrete, hammer drill bits 14 ? 25 mm Max. drilling diameter masonry, core cutters 90 mm Max. drilling diameter in metal 13 mm Max. drilling diameter in wood 32 mm Total vibration values (Hammer drilling in concrete) Vibration emission value ah 12 m/s? Uncertainty K 1.5 m/s? Total vibration values (Chiselling) Vibration emission value ah 9 m/s? Uncertainty K 1.5 m/s?